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Senior Engineer/ Engineer (Mobile Core Operation, SMSC/ STP/ SMSF/ VAS)

Date:  21 Jun 2024
Location: 

StarHub Green

Company:  StarHub Ltd

Job Description

Purpose:
Provide technical and operational support for 4G/5G Mobile Core nodes (SMSC/SMSGW/MNP/STP/SMSF/VAS services) and International Roaming related service support.


Responsibilities:

  • Perform daily operation and administration of 4G/5G Mobile Core nodes (SMSC/SMSGW/MNP/STP/SMSF/VAS services) and ensure smooth network operation
  • Carry out system maintenance activities eg patch installation to improve system performance, system release upgrade
  • Develop and review system operations processes, and update operational documents to ensure operation effectiveness
  • Perform system security hardening, vulnerability assessment, and implement the necessary corrections/ processes to mitigate security risks
  • Perform proactive monitoring of network service KPIs/ alarms and performance analysis to ensure service quality level
  • Perform troubleshooting and testing of local and roaming SMS with contents providers and roaming partners 
     

Qualifications

  • Appropriate qualification in Electronics/ Communications/ Networking or equivalent 
  • Good technical knowledge of Mobile 4G/ 5G Core network and related service/ call flows and associated protocols (SS7/ Sigtran/ Diameter/ SIP)
  • Ability to perform end-to-end network service troubleshooting
  • Working knowledge of Network and Application Securities
  • Basic knowledge of IP switching and routing protocols
  • Basic knowledge of Linux and VM
  • Basic proficiency in programming and scripting skills
  • Willing to perform late night maintenance during maintenance window period for release/ upgrade/ software patch installation and project cutover
     

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